<template>
  <div class="type-nav">
    <div class="container" @mouseleave="isShow = false">
      <h2 class="all" @mouseenter="isShow = true">全部商品分类</h2>
      <nav class="nav" @mouseenter="isShow = false">
        <a href="###">服装城</a>
        <a href="###">美妆馆</a>
        <a href="###">尚品汇超市</a>
        <a href="###">全球购</a>
        <a href="###">闪购</a>
        <a href="###">团购</a>
        <a href="###">有趣</a>
        <a href="###">秒杀</a>
      </nav>
      <div class="sort" v-show="$route.path === '/' || isShow">
        <div class="all-sort-list2" @click.prevent="isCreach">
          <div class="item bo" v-for="list in lists" :key="list.categoryId">
            <h3>
              <a
                href="#javascript:;"
                :data-categoryId="list.categoryId"
                :data-categoryName="list.categoryName"
                :data-leave="1"
                >{{ list.categoryName }}</a
              >
            </h3>
            <div class="item-list clearfix">
              <div class="subitem">
                <dl
                  class="fore"
                  v-for="item in list.categoryChild"
                  :key="item.categoryId"
                >
                  <dt>
                    <a
                      href="#javascript:;"
                      :data-categoryId="item.categoryId"
                      :data-categoryName="item.categoryName"
                      :data-leave="2"
                      >{{ item.categoryName }}</a
                    >
                  </dt>
                  <dd>
                    <em v-for="ems in item.categoryChild" :key="ems.categoryId">
                      <a
                        href="#javascript:;"
                        :data-categoryId="ems.categoryId"
                        :data-categoryName="ems.categoryName"
                        :data-leave="3"
                        >{{ ems.categoryName }}</a
                      >
                    </em>
                  </dd>
                </dl>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
 
<script>
import { reqGetCategoryList } from "../../api/index";
export default {
  name: "TypeNav",
  data() {
    return {
      isShow: false,
      lists: [],
    };
  },
  methods: {
    isCreach(e) {
      // console.log(e.target.dataset);
      const { categoryid, categoryname, leave } = e.target.dataset;
      if (!leave) return;
      console.log(this.$route.params);
      this.$router.history.push({
        name: "Search",
        query: {
          categoryName: categoryname,
          [`category${leave}Id`]: categoryid,
        },
        params: this.$route.params,
      });
    },
  },
  async mounted() {
    let res = await reqGetCategoryList();
    let newRes = res.slice(0, 15);
    this.lists = newRes;
  },
};
</script>

<style lang="less" scoped>
.type-nav {
  border-bottom: 2px solid orange;

  .container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    position: relative;
    .all {
      width: 210px;
      height: 45px;
      margin: 0;
      background-color: orange;
      line-height: 45px;
      text-align: center;
      color: #fff;
      font-size: 14px;
      font-weight: bold;
    }

    .nav {
      a {
        height: 45px;
        margin: 0 22px;
        line-height: 45px;
        font-size: 16px;
        color: #333;
      }
    }

    .sort {
      position: absolute;
      left: 0;
      top: 45px;
      width: 210px;
      height: 461px;
      padding-top: 5px;
      position: absolute;
      z-index: 999;
      .all-sort-list2 {
        .item {
          h3 {
            line-height: 30px;
            font-size: 14px;
            font-weight: 400;
            overflow: hidden;
            padding: 0 0 0 20px;
            margin: 0;
            background-color: aliceblue;
            &:hover {
              background-color: orange;
            }
            a {
              display: block;
              color: #333;
              width: 100%;
              height: 100%;
            }
          }

          .item-list {
            display: none;
            position: absolute;
            width: 734px;
            min-height: 460px;
            _height: 200px;
            background: #f7f7f7;
            left: 210px;
            border: 1px solid #ddd;
            top: 0;
            z-index: 9999 !important;

            .subitem {
              float: left;
              width: 650px;
              padding: 0 4px 0 8px;

              dl {
                border-top: 1px solid #eee;
                padding: 6px 0;
                overflow: hidden;
                zoom: 1;

                &.fore {
                  border-top: 0;
                }

                dt {
                  float: left;
                  width: 54px;
                  line-height: 22px;
                  text-align: right;
                  padding: 3px 6px 0 0;
                  font-weight: 700;
                }

                dd {
                  float: left;
                  width: 415px;
                  padding: 3px 0 0;
                  overflow: hidden;

                  em {
                    float: left;
                    height: 14px;
                    line-height: 14px;
                    padding: 0 8px;
                    margin-top: 5px;
                    border-left: 1px solid #ccc;
                  }
                }
              }
            }
          }

          &:hover {
            .item-list {
              display: block;
            }
          }
        }
      }
    }
  }
}
</style>